Real-Time Warning and Risk Assessment of Tailings Dam Disaster Status Based on Dynamic Hierarchy-Grey Relation Analysis

Table 2

Tailings dam disaster risk identification and indicator evaluation system.

Goals layer	Guidelines; layer	Indicator layer
Tailings dam disaster risk identification A	Inherent risk indicators; B1	Maximum daily precipitation C1-1
		Seismic capacity of the dam C1-2
		Useful life of the dam C1-3
		Protection of dam surface C1-4
		Severity of tailings dam seepage C1-5
		Dam height C1-6
		Nearby residential buildings C1-7
		Total capacity of the reservoir C1-8
		Surrounding debris flow or landslide conditions C1-9
		Presence or absence of karsts or fracture developments C1-10
		Effect of dam drainage facilities C1-11
	Frequency indicators; B2	Depth of the immersion line C2-1
		Displacement of the crack C2-2
		Length of the dry beach C2-3
		Dispersion between the top of the beach and the reservoir water level C2-4
		Elevation of the beach C2-5
		Elevation of the reservoir water level C2-6
		External ratio C2-7
		Surface horizontal displacement of the dam body C2-8
		Settlement of the surface of the dam body C2-9
		Horizontal displacement inside the dam C2-10
		Settlement inside the dam C2-11